Finding the Fourth Proportional to 132,536.70, 198,513.45 and 115,040.70
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Solution
The fourth proportional to 132,536.70, 198,513.45 and 115,040.70 is: 172,307.94
Step by Step Solution
- Step 1: Write the proportion equation
132,536.70 : 198,513.45 = 115,040.70 : x - Step 2: Convert to fraction form
132,536.70/198,513.45 = 115,040.70/x - Step 3: Cross multiply
132,536.70x = 198,513.45 × 115,040.70 - Step 4: Simplify right side
132,536.70x = 22,837,126,247.42 - Step 5: Solve for x
x = 22,837,126,247.42/132,536.70 - Step 6: Final answer
x = 172,307.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.